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What is the Least Common Multiple of 68669 and 68678?

Least common multiple or lowest common denominator (lcd) can be calculated in two way; with the LCM formula calculation of greatest common factor (GCF), or multiplying the prime factors with the highest exponent factor.

Least common multiple (LCM) of 68669 and 68678 is 4716049582.

LCM(68669,68678) = 4716049582

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Least Common Multiple of 68669 and 68678 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 68669 and 68678, than apply into the LCM equation.

GCF(68669,68678) = 1
LCM(68669,68678) = ( 68669 × 68678) / 1
LCM(68669,68678) = 4716049582 / 1
LCM(68669,68678) = 4716049582

Least Common Multiple (LCM) of 68669 and 68678 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 68669 and 68678. First we will calculate the prime factors of 68669 and 68678.

Prime Factorization of 68669

Prime factors of 68669 are 68669. Prime factorization of 68669 in exponential form is:

68669 = 686691

Prime Factorization of 68678

Prime factors of 68678 are 2, 23, 1493. Prime factorization of 68678 in exponential form is:

68678 = 21 × 231 × 14931

Now multiplying the highest exponent prime factors to calculate the LCM of 68669 and 68678.

LCM(68669,68678) = 686691 × 21 × 231 × 14931
LCM(68669,68678) = 4716049582